Browsing by Author "Roska, Botond"

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A neuromorphic chip that imitates the ON brisk transient ganglion cell set in the retinas of rabbits
(2007-09-01)
Lin, Li-Ju
;
Wu, Chung-Yu
;
Roska, Botond
;
Werblin, Frank
;
Balya, David
In this paper, a new CMOS design methodology is proposed to implement CMOS neuromorphic chips which imitate the ON brisk transient ganglion cell (GC) set of rabbits' retinas. The measurement results on the fabricated CMOS neuromorphic chip are consistent with the biological measurement results. Thus, the biological functions of the chip have been successfully verified. It can be used to understand more biological behaviors and visual language of retinas under different input optical images which have not yet been tested in biological experiments. Based on the results, the full GC sets of retina can be designed. Thus, many potential applications of retinal chips on motion sensors, computer vision, retinal prosthesis, and biomedical devices are feasible.